Apple is best equipped to take advantage of the K-12 tablet market. It has quietly worked with schools to develop tools for successful classroom use and to improve the manageability and delivery of custom content and applications. (A case study of a large-scale iPad school pilot in the Australian state of Victoria gives a lot of information on how this can be done.) Apple offers extensive training and support for educators. And the iPad Mobile Learning Lab is a charging cart designed for classroom sets of tablets. Apple is best equipped to take advantage of the K-12 tablet market.
We did talk about this last week in our S&R Podcast, and I can only agree. I see both Apple and Google pushing their devices to the education market. But Apple seems to be heavily supporting it, while Google only offers their basic Apps.